Version (MQLONG) for MQBMHO for MQBMHO

This is the version number of the buffer to message handle structure. It is always an input field.

The value must be:
MQBMHO_VERSION_1
Version number for the buffer to message handle structure.
The following constant specifies the version number of the current version:
MQBMHO_CURRENT_VERSION
Current version of buffer to message handle structure.